Kort nozzle


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Kort nozzle

[′kȯrt ‚näz·əl]
(naval architecture)
A cylindrical tube enclosing a screw propeller on a ship to decrease the tip losses and increase the efficiency; the walls of the tube are streamlined where clear of the ship's hull; adopted in many river towboats and recently in large tankers.
References in periodicals archive ?
To Tug Gurjari (Part-C Installation Of New Kort Nozzle With Brackets And Jacking - Un Jacking Of Tug Gurjari At Bedi Port, Jamnagar).
Xiom Corporation (OTCBB: XMCP) has announced the development of a thermally applied spray coating and automated spraying device that, when used together, can significantly reduce fuel consumption in marine vessels equipped with the hydro-drive device known as a Kort nozzle.
In a recent sea trial on a 75-foot steel fishing boat with a 6-foot diameter Kort nozzle operating out of New Bedford, Mass.
In marine vessels, a Kort nozzle is a cylindrical tube that surrounds a screw propeller, providing increased control of the water turbulence passing through it.
The gap between the propeller blade tips and the nozzle barrel is designed to ensure that the propellers do not come into direct contact with the Kort nozzle barrel due to metal shrinkage or expansion caused by pressure.
Award: Kort nozzle repairs & anti-fouling painting
Besides offering rudder protection, Ecoshield is also suitable for thrusters, azimuth thrusters, azipods, thruster nozzles, kort nozzles, thruster tunnels and other underwater ship gear which needs special protection from corrosion.
Enecon's offerings also deal with scrubbers, centrifuges, cooling towers, containment dikes, troughs, spillways, propellers, kort nozzles, bow thrusters, rudders, struts and hull fairing.
The vessel, equipped with two 4000-kW diesel engines and two controlled pitch propeller in Kort Nozzles, can accommodate 29 persons with all the capabilities of a platform supply vessel in addition to that of anchor handling tug.